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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6551749682

Certificate GIA 6551749682

Diamond specifications and retailer prices

From $1,086 USD
As of November 6, 2026
Save $2,472 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,558 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551749682. Listed at 14 retailers as of November 5, 2026, with prices from $1,086 to $3,558, a $2,472 spread on the same certified stone. NZ Jewellers lists it at $3,558. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551749682
Dimensions7.17 × 4.89 × 3.21 mm
L/W Ratio1.47
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
7.17 mm4.89 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551749682
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,558 USD|Low: $1,086 USD|High: $3,639 USD|Avg: $1,752 USD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 6$1,086 USD
Retailer 12$1,279 USD
Retailer 10$1,352 USD
Retailer 9$1,459 USD
Retailer 5$1,475 USD
Retailer 13$1,526 USD
Retailer 4$1,555 USD
Retailer 7$1,594 USD
Retailer 2$1,610 USD
Retailer 3$1,683 USD
Retailer 8$1,885 USD
Retailer 11$2,548 USD
NZ Jewellers$3,558 USD

27 data points across 13 retailers

14 retailers$1,086 USD to $3,558 USD

A
Cheapest Retailer
-
$1,086 USD
A
Retailer 2
-
$1,279 USD
View
A
Retailer 3
-
$1,352 USD
View
A
Retailer 4
-
$1,459 USD
View
Retailer 5
-
$1,475 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,526 USD
View
A
Retailer 7
-
$1,555 USD
View
A
Retailer 8
-
$1,594 USD
View
B+
Retailer 9
-
$1,610 USD
View
B+
Retailer 10
-
$1,683 USD
View
Retailer 11
-
$1,798 USD
View
Price last confirmed 62 days ago
B+
Retailer 12
-
$1,885 USD
View
B
Retailer 13
-
$2,548 USD
View
Most Expensive
B
NZ Jewellers
3cb63f75-0e16-4d84-870b-4af904ffe89a · Nov 5
$3,558 USD
View
13 more retailers have this diamond
Prices start from $1,086 USDSave up to $2,472 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Radiant
$1,086 USD